On top of Yolo here are a bunch of amazing words added to the OED!!!
‘Merica (n): America (used especially to emphasize qualities regarded as stereotypically American, such as materialism or fervent patriotism).
“‘Merica, the greatest country on the planet.”
cheeseball, as in the food item and a foolish or unoriginal person
moobs, aka man boobs
T-bone, the verb for a particular kind of car crash
Bracketology (n): The activity of predicting the participants in and outcomes of the games in a sports tournament, especially the NCAA college basketball tournament.
“Gee, I really thought if I used bracketology, I was going to win my office March Madness pool. Thanks for nothing, Baylor.”
Clickbait (n): (On the Internet) content whose main purpose is to attract attention and encourage visitors to click on a link to a particular web page.
“You won’t believe what happened next after I read this sentence about clickbait.”
Crapper (n): Vulgar slang for toilet.
“In England they call it a water closet, in ‘Merica, we call it the crapper.”
Fuhgeddaboudit (int.): Forget about it (used to indicate that a scenario is unlikely or undesirable).